Research Topics
| M PtokSummaryAffiliation: Hannover Medical School Country: Germany Publications
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Detail Information
Publications
[Chronic cough - diagnostic aspects]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
Laryngorhinootologie 87:468-75. 2008..A proper diagnostic management should include pneumologists, gastroenterologists and ENT physicians working together. An in-depth knowledge about pathomechanisms, possible triggers and diseases associated with cough is essential...
[Genetic causes in mild speech acquisition delay with/without mild developmental delay: significance for ENT physicians]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover, Deutschland
HNO 58:378-82. 2010..If the suspicion of hearing impairment as the cause of problems in daily life is not confirmed in a patient, ENT specialists should also consider genetic causes in the differential diagnosis...
[Low level phonological processing and intelligence potential in preschool children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 60:427-31. 2012..To assess concurrent validity the correlation between test results using this material and results of an intelligence test were examined...
[Phonological loop and low level phonological processing in preschool children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover, Deutschland
HNO 60:269-74. 2012..However, test results may be influenced by other factors beside correct acoustic representation. Here we studied if working memory capacity (WMC) correlates with reproducing sets of minimal pairs...
[Is a differentiation between low-level and higher phonological processing in primary school children justified?]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Deutschland
HNO 59:1209-14. 2011..Only in the case of the latter is it necessary to operate consciously with speech sounds. This study aims to evaluate whether the aforementioned differentiation between low- and high-level phonological processing is justified...
[Tetrasomy 18p syndrome and hearing loss. An unusual case]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover, Deutschland
HNO 60:901-5. 2012..Furthermore, in all children with developmental delay and dysmorphic features a chromosomal analysis should be initiated...
[Autism spectrum disorders. Current knowledge and importance for ENT specialists]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover
HNO 56:169-76. 2008..In this report the diagnostic and therapeutic strategies currently applied for autism and its importance for ENT specialists are presented...
[Treatment of laryngeal movement disorders with botulinum toxins: part 1: History and mode of action]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover
HNO 55:399-402. 2007..Research on type F toxin is also underway. In this article, the history of botulinum toxin, its therapeutic activity and possibilities for its use are described...
[Speech impairment and the Smith-Magenis syndrome]C Bergmann
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule, 30625, Hannover
HNO 55:644-6. 2007..Also sensorineural and conduction hearing loss are described. In children with speech delay the physician should consider a genetic or syndromal disease...
[Erbium:YAG laser surgery on vocal fold tissue]K Luerssen
Klinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover, Deutschland
HNO 55:443-6. 2007..Thermal necrosis had a range of about 5 microm. Further investigations on the vocal folds of humans must be performed to determine whether this laser is qualified for clinical applications...
[Auditory processing disorders : Consensus statement by the German Society for Phoniatry and Paedaudiology]A Nickisch
Abteilung für Phoniatrie und Audiologie, Kinderzentrum Munchen, Heiglhofstrasse 63, 81377, Munchen
HNO 55:61-72. 2007..Furthermore, factors which need to be considered in order to differentiate between APD and other diseases are specified. Therapeutic intervention possibilities which are rated according to their prognostic values conclude the article...
[Chromosome 1q syndrome and hearing loss: an unusual case]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover
Laryngorhinootologie 85:279-82. 2006..The number of symptoms are related to the loss of genetic material. To our knowledge this is the first description of a patient with interstitial deletion of chromosome 1 (q23-q31)...
[Phoneme discrimination test material for preschool children: development and preliminary assessment]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover
Laryngorhinootologie 85:640-8. 2006..However, little is known about the reliability and validity of discrimination abilities in preschool children as assessed by these tests. Based on previous results we now developed a test material based on minimal pair presentation...
[Optical coherence tomography in the diagnosis of vocal folds]K Luerssen
Klinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:611-5. 2006..Thus, we propose that OCT be introduced as a new method for the detection of morphological changes in the vocal fold complementary to other established methods...
[Frequency specific auditory evoked responses. Experiments on stimulus polarity, sweep frequency, stimulus duration, notched-noise masking level, and threshold estimation in volunteers with normal hearing]R Schönweiler
Abteilung für Phoniatrie und Pädaudiologie in der HNO Klinik, Universitätsklinikum Schleswig Holstein Campus Lübeck
HNO 53:983-94. 2005..The results indicate that frequency specific auditory evoked responses provide reliable threshold estimations. Future experiments are required to confirm the threshold deviations for hard of hearing individuals...
[(Central) auditory processing disorders. Remarks on the ASHA Technical Report]M Ptok
, Medizinische Hochschule Hannover
HNO 54:6-8. 2006
[Unilateral sensineural deafness associated with mutations in the PAX3-gene in Waardenburg syndrome type I]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:557-60. 2006..Screening the entire PAX 3 gene revealed C64A und T164A mutations in exon I und II, both being missense mutations. Neither mutation has not been reported previously...
[On the auditory evaluation of voice quality]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:793-802. 2006..Therefore, the IRR of the four point RBH (roughness, breathiness, hoarseness vs overall grade) scale was studied. Other parameters, e.g. validity and intrarater reliability were not considered...
[Auditory processing and phonological processing do not correlate in preschool children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
Laryngorhinootologie 86:574-8. 2007..This predicts that auditory processing tests do not correlate with phonological processing tasks...
[Attention deficit and hyperactivity disorder: what is currently known and its significance for ENT specialists]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover, Germany
HNO 55:569-74. 2007..In this report the diagnostic and therapeutic strategies currently applied for ADHD and their importance for ENT specialists are presented...
[The treatment of laryngeal movement disorders with botulinum toxin: part 2: experience and considerations]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover, Deutschland
HNO 55:485-8. 2007..We report our experiences using these different techniques for the monitoring of patients and their treatment with botulinum toxin in laryngeal movement disorders...
[Assessing the progress of grammar acquisition in young children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie OE 6510, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover
HNO 56:549, 551-2. 2008..Therefore, the mean length of utterance estimation can be used to assess and monitor the progress of grammar acquisition...
[Unusual causes of biphonation]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule, Carl Neuberg Strasse 1, 30625 Hannover
HNO 56:479-83. 2008..This fixation led to two separated "neo" glottides, one being in the anterior third and the other in the posterior third of the vocal folds...
["Off-label use" of botulinum toxin preparations in treatment of spasmodic dysphonia. Position of the German Society of Phoniatrics and Pediatric Audiology]M Ptok
, Medizinische Hochschule Hannover, Germany
HNO 52:45-9. 2004
[Low level auditory skills in school children attending third and fourth grade]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
Laryngorhinootologie 87:257-64. 2008..In Germany testing auditory low level skills has gained some popularity. However only few studies have provided norms. Prior to further testing we here aimed at establishing normal values for school children...
[Hearing aid fitting in children with difficulties processing auditory information-evaluation of parents' satisfaction]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover
Laryngorhinootologie 87:23-9. 2008..Some children suffer from difficulties processing auditory information despite normal cochlear function. Here we raised the question if hearing aid (HA) fitting might be beneficial for such children...
[Developmental dyslexia: the role of phonological processing for the development of literacy]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover, Germany
HNO 55:737-48. 2007..Therefore, it appears mandatory that ear-nose-throat physicians have at least a basic knowledge of the theory of phonological processing. This will enable proper consultation with parents of affected children...
[Low level auditory skills compared to writing skills in school children attending third and fourth grade: evidence for the rapid auditory processing deficit theory?]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
Klin Padiatr 220:77-80. 2008..To further explore this theory we compared different measures of auditory low level skills to writing skills in school children...
[Minimal pair reproduction correlates with spelling ability]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie OE 6510, Medizinische Hochschule Hannover, Carl Neuberg Str 1, 30625, Hannover, Deutschland
HNO 56:73-80. 2008..Taking the phonological deficit theory as a basis, minimal pair reproduction, i.e. a simple phonological task, was measured in schoolchildren and compared with their spelling performance...
[The relationship between minimal pair reproduction and writing skills]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie OE 6510, Medizinische Hochschule Hannover
HNO 55:819-26. 2007..Here we tested whether low level auditory processing is correlated with a simple phonological processing task, thus indicating a close relationship between higher sensory and lower cognitive processing...
[Treatment of patients with aphasia--practical considerations]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 55:E40-3. 2007..Here we discuss the rational for prescribing therapy for aphasia patients based on current guidelines and discuss how the patients and relatives can be best advised...
Osteopathia striata with cranial sclerosis and hearing lossK Luerssen
Department of Phoniatrics and Pedaudiology, Hanover Medical School, Carl Neuberg Str 1, 30625, Hanover, Germany
Eur Arch Otorhinolaryngol 263:123-6. 2006..As a possible alternative, children with osteopathia striata and cranial sclerosis with hearing loss should be fitted with hearing aids because surgery of the middle ear probably will be difficult or perhaps not possible...
[Auditory processing disorder versus attention deficit/hyperactivity disorder. A dysfunction complex or different entities?]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:405-8, 410-4. 2006..For testing this theory we compared parents' ratings of APD and ADHD behavioural characteristics...
[Speech perception. The basis for speech audiometry examinations]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover, Germany
HNO 52:824-30. 2004..Here, our current knowledge of these processes is outlined and theories that model speech perception in general are briefly reviewed...
[Verbal learning and memory test in children. Analysis of it environmental validity]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover
HNO 53:369-75. 2005..The VLMT (auditory verbal learning and memory test) was constructed for use in children and adults. This study aimed at investigating the ecological validity in children...
[Niikawa-Kuroki (Kabuki) syndrome and hearing impairment]K Luerssen
Klinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 52:451-4. 2004..Audiometry demonstrated a pantonal hearing loss. Since children affected by this syndrome may also have a severe hearing impairment early testing is mandatory...
[Age dependent maturation of NC-ERP]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 52:270-4. 2004..Other factors beside severity of APD may cause "pathological" NC-ERP. Here we raise the question of whether maturational factors may be responsible for disordered NC-ERP...
[Small deletion--large effect]K Luerssen
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 52:258-60. 2004..If a combination of these exist, it is advisable to carry out a genetic examination of the child in order to determine whether VCFS is present or not. This is the only way of providing an early diagnosis of this syndrome...
[Child language development delay in craniofacial dysplasia]C Schwemmle
, Medizinische Hochschule Hannover
HNO 52:150-2. 2004
[Late auditory potentials (NC-ERP) in children with symptoms of auditory processing and perception disorder. With and without attention deficit disorder]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Hannover
HNO 52:67-75. 2004..Here we investigated whether NC-ERP may be used as a tool to differentiate between APD and ADHD...
[Basic principles of neonatal hearing screening (standard of care). Position of the Interdisciplinary Neonatal Hearing Screening Consensus Conference]M Ptok
, Hannover
HNO 51:876-9. 2003
[Long-term results after velopharyngoplasty]C Küttner
Klinik und Poliklinik fur Mund, Kiefer und Gesichtschirurgie, Interdisziplinäres Zentrum für Gesichtsfehlbildungen, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover
Mund Kiefer Gesichtschir 7:76-82. 2003..In some patients no improvement can be achieved with conservative therapy and a velopharyngoplasty (VPP) may be indicated. This study was performed to evaluate the long-term results after VPP...
[Normal nasalance for the German language. Nasometric values for clinical use in patients with cleft lip and palate]C Küttner
Klinik und Poliklinik fur Mund, Kiefer und Gesichtschirurgie, Interdisziplinäres Zentrum für Gesichtsfehlbildungen an der MHH, Medizinische Hochschule Hannover
HNO 51:151-6. 2003..However,normative values for the German language are not yet available. In order to overcome this problem, this study evaluated such norms using NasalView...
[Decision processes at threshold levels during psychoacoustic testing]M Ptok
, Medizinische Hochschule Hannover, Germany
Laryngorhinootologie 81:696-701. 2002....
[Hearing screening with automatic evaluation of TEOAE and a new method of automatic evaluation of early auditory evoked potentials. Optimization and field trial]R Schönweiler
Abteilung fur Phoniatrie und Padaudiologie, Klinik fur Hals, Nasen und Ohrenkrankheiten, Universitatsklinikum Lubeck, Ratzeburger Allee 160, 23562 Lübeck
HNO 50:649-56. 2002..In addition, a good reference is required as "golden standard."..
[Signal detection theoretical aspects of various threshold detection procedures]M Ptok
, Medizinische Hochschule Hannover, Germany
Laryngorhinootologie 81:395-9. 2002..Signal detection theory may help to explain why results obtained with various procedures may be quite different...
[A violent gagging response to small cysts on the arytenoid cartilage]M Ptok
, Medizinische Hochschule Hannover
HNO 52:538-40. 2004
[Subjective assessment of auditory processing deficits and perceptual performance in children]M Ptok
, Medizinische Hochschule Hannover
HNO 53:568-72. 2005..However, this did not explain much of the variance. DISCUSSION: According to our results, APD can be assumed to be a one dimensional construct. In addition, noise hypersensitivity may be separable from other APD complaints...
[Impairment of speech and communication skills in dementia]N Buller
, Medizinische Hochschule Hannover
HNO 53:177-80. 2005..Furthermore, it is difficult to distinguish dementia from semantic dementia, Broca's aphasia and chronic progressive aphasia...
[Is there a correlation between low-level auditory processing and phonological processing in preschool children?]N Buller
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:715-20. 2006..Here we studied if there is a correlation between two hotly debated measures of auditory low-level processing and measures of phonological processing in preschool children...
[Pragmatic language impairment in children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, MHH Hannover
HNO 53:978-82. 2005..Otolaryngologists have to be aware of PLI in case children with communication problems are referred to them. This may enable a timely diagnosis and early intervention...
[Stability of phoneme discrimination in preschool children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, MH Hannover
HNO 54:635-42. 2006..However, little is known about the stability of discrimination abilities in preschool children. We investigated the test-retest reliability of a newly developed test material...
[Does the subjective assessment of roughness correlate with a computer-aided measurement of irregularity index?]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, MH Hannover
HNO 54:132-8. 2006..These data indicate that objective measurements of vibratory cycle irregularity during text reading can be used for clinical purposes in addition to subjective roughness scaling...
[Factorial structure of the BAKO 1-4. On the validation of the "Base competence for school years 1-4" test for determining phonological processing]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 54:888-92. 2006..Phonological awareness in native German speaking school children in grades 1 through 4 can be tested using the BAKO 1-4. We raised the question whether BAKO 1-4 subtests probe different aspects of phonological processing...
[Voice exercise therapy versus electrostimulation therapy in patients with unilateral vocal fold paralysis]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 53:1092-7. 2005..However, data regarding their effectiveness and efficiency are sparse. Here we compare the outcome of traditional voice treatment versus electrostimulation voice exercise...
[German phoneme contrast hierarchy. A study with preschool children]M Ptok
HNO 53:181-6. 2005..DISCUSSION: The degree of markedness in MP influenced the correct perception/production of these MP. This influence must be regarded as fairly weak...
[Universal hearing screening for babies--recommendations for the organization and performance of the universal screening of babies for hereditary hearing disorders in Germany]M Gross
, Ulm/Donau
Z Geburtshilfe Neonatol 208:239-45. 2004
[Gender and phoneme discrimination ability]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
Laryngorhinootologie 84:20-3. 2005..Here we raised the question if phoneme discrimination abilities in male preschool children are inferior to female's phoneme discrimination abilities thus indicating less efficient phonological processing in boys...
[Phonological loop and minimal pair discrimination in preschool children]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie der Medizinischen Hochschule Hannover
HNO 52:1109-12. 2004..However test results may be influenced by other factors beside proper acoustic representation. Here we aim at determining whether working memory capacity (WMC) correlates with reproducing sets of MP...
[The effects of recurrent otitis media with effusion on speech development]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover
HNO 53:71-7. 2005..The mediated theory holds that fluctuant hearing loss endangers diffuse cognitive-linguistic effects, affecting speech perception and production...
[Dementia-current knowledge and significance for ENT specialists]C Schwemmle
, Medizinische Hochschule Hannover
HNO 52:1103-8. 2004..In this report, the strategies in diagnostics and therapy which should be known by ENT specialists are presented...
Search for deletion 22q11.2 in interphase nuclei of buccal mucosa of patients ascertained by isolated cleft palate: a new diagnostic approachN Shouman
Department of Human Genetics, Hannover Medical University, 30623 Hannover, Germany
Int J Oral Maxillofac Surg 32:198-200. 2003..A normal result has been obtained in 98 patients; a deletion 22q11.2 was present in three patients (2.8%) with cleft palate...
[Bamboo nodes as the cause of dysphonias in autoimmune diseases]C Schwemmle
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule, Hannover, Germany
HNO 55:564-8. 2007..quot; They often feature a transverse yellowish appearance of the middle third of the vocal cord, resembling a bamboo node. Typical histologic signs are similar to rheumatoid nodules...
[Botulinum toxin type A-induced "rebalancing" in bilateral vocal cord paralysis?]M Ptok
Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, Carl Neuberg Strasse 1, 30625 Hannover
HNO 49:548-52. 2001..Voice quality was breathy after the injection; however, neither aspiration nor dysphagia developed. Surprisingly, the maximum phonation time increased...
